Evidence row 265359

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/domain/mail-posture"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/batch"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/batch/50"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/verify"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/payment/self-test"
    ]
  ],
  "name": "api.oldcolonyweb.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.oldcolonyweb.com",
    "endpoints": [
      {
        "description": "For $0.003 per domain: bounded public DNS MX, SPF and DMARC observations; explicit unknowns and source names. No mailbox, deliverability, spoofing-prevention or security-certification guarantee.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "body",
            "name": "domain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "domain mail posture",
          "MX records",
          "SPF record",
          "DMARC policy",
          "email DNS"
        ],
        "url": "https://api.oldcolonyweb.com/v1/domain/mail-posture"
      },
      {
        "description": "Email preflight 2–10 addresses for $0.003 per batch. Ordered syntax/DNS/MX/disposable evidence and explicit unknowns. Addresses processed, not intentionally logged in routine telemetry. No mailbox, deliverability or consent guarantee. Bazaar response example shows the first result only; actual response includes all items.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "emails",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "batch email preflight",
          "email verification",
          "disposable email"
        ],
        "url": "https://api.oldcolonyweb.com/v1/email/batch"
      },
      {
        "description": "Email preflight 11–50 addresses for $0.005 per batch. Ordered syntax/DNS/MX/disposable evidence and explicit unknowns. Addresses processed, not intentionally logged in routine telemetry. No mailbox, deliverability or consent guarantee. Bazaar response example shows the first result only; actual response includes all items.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "emails",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "batch email preflight",
          "email verification",
          "disposable email"
        ],
        "url": "https://api.oldcolonyweb.com/v1/email/batch/50"
      },
      {
        "description": "For $0.002, privacy-conscious email preflight: submitted addresses and request bodies are not intentionally logged in routine application telemetry (full address still reaches our server). Inspect syntax, DNS/MX, listed disposable domains and provider typos; receive structured decisions. API reverse-proxy access logging is disabled; infrastructure/payment providers may keep records. No zero-retention, mailbox-existence, deliverability or consent guarantee.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "name@example.com",
            "group": "body",
            "name": "email",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "10",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "email verification",
          "email validation",
          "disposable email",
          "email preflight",
          "email typo"
        ],
        "url": "https://api.oldcolonyweb.com/v1/email/verify"
      },
      {
        "description": "For $0.002, test a real x402 v2 exact USDC payment on Base and receive an intentionally simple JSON handler result. The successful final HTTP response and PAYMENT-RESPONSE header (not the body alone) are evidence of the x402 settlement flow. No refund, wallet-balance check, blockchain-finality guarantee, variable tip, data lookup or downstream action. Do not retry an ambiguous charge blindly.",
        "method": "POST",
        "parameters": [],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "x402 payment self test",
          "agent wallet test",
          "payment diagnostic",
          "Penny Wish"
        ],
        "url": "https://api.oldcolonyweb.com/v1/payment/self-test"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-oldcolonyweb-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.oldcolonyweb.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.003",
      "currency": "USDC",
      "maxAmount": "0.005",
      "minAmount": "0.002"
    },
    "provider": "api.oldcolonyweb.com",
    "providerUrl": "",
    "serviceName": "Old Colony Web Agent Services",
    "tags": [
      "domain mail posture",
      "MX records",
      "SPF record",
      "DMARC policy",
      "email DNS",
      "batch email preflight",
      "email verification",
      "disposable email",
      "email validation",
      "email preflight",
      "email typo",
      "x402 payment self test",
      "agent wallet test",
      "payment diagnostic",
      "Penny Wish"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"e8faa4b8974226bcfe26221c6eb64714d1a4441d4f392e48776a75dac15e7312","id":265359,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793034704504285,"prev":261579,"subject":"agentic_market:api-oldcolonyweb-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xdb2c1b21afb9585672f072216b3309090552d48567866989c0a454f5475763e6
2. 0x9798dc3f914ebd4d9a21b4a0d4353e93da8e394b0b404046945a957471030da4
3. 0x0c1ae238fd8b153576e52a23f71582742e20f23b060a3de70e9e45d63e80594d
4. 0x5f14395d378c4efe5a05ef53d4902c452085065528e4276af51ce38528718025
5. 0xe92402e94ae166fb5f0e424dd21aa9f40dde914175d64c85a39b8336731c92f4
6. 0x9a4e6ac3717c7136d98856867ceba1afbebdb2ef444fd23d38b8fa5fbb2bdf13
7. 0x813e89d25256b533ac86b68433aea3546474fd613b3fb4471cd1d63083aedec1
8. 0x850ffa551729a9290c213d802e895f7a5b989b431c35e916b432b62fb30b55a6
9. 0x0b642ed2eb6a1f31c451caf27684fbae79b4de96675f79bd14d3e2238d097d1d
10. 0xf0fa8825f03ea7c30bd9031bd1bd80f189c5f26b11bf0823da9afc4bf22d0332
11. 0x29700235b227055ce880d43e14eac146f6698beb898c5815b2dace9d29cb0d8c
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae